20183009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4297}}^1$

素因数の和:4376

約数の個数: 16

約数和(自身を含む): 25581696

約数和(自身を除く): 5398687

約数列:

[1, 7, 11, 61, 77, 427, 671, 4297, 4697, 30079, 47267, 262117, 330869, 1834819, 2883287, 20183009]

約数ペア:

[(1, 20183009), (7, 2883287), (11, 1834819), (61, 330869), (77, 262117), (427, 47267), (671, 30079), (4297, 4697)]